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                        比较运算符
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                        <h2 id="&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;">&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</h2>
<ul>
<li>&#x57FA;&#x672C;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</li>
</ul>
<table style="text-aligin:center">
<tr><th>&#x8FD0;&#x7B97;&#x7B26;</th><th>&#x63CF;&#x8FF0;</th><th>&#x5B9E;&#x4F8B;</th></tr>
<tr><td>=</td><td>&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>&#x628A; = &#x53F7;&#x53F3;&#x8FB9;&#x7684;&#x7ED3;&#x679C; &#x8D4B;&#x7ED9; &#x5DE6;&#x8FB9;&#x7684;&#x53D8;&#x91CF;&#xFF0C;&#x5982; num = 1 + 2 * 3&#xFF0C;&#x7ED3;&#x679C;num&#x7684;&#x503C;&#x4E3A;7</td></tr>
</table>

<pre><code class="lang-python"><span class="hljs-comment"># &#x5355;&#x4E2A;&#x53D8;&#x91CF;&#x8D4B;&#x503C;</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>num = <span class="hljs-number">10</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>num
<span class="hljs-number">10</span>

<span class="hljs-comment"># &#x540C;&#x65F6;&#x4E3A;&#x591A;&#x4E2A;&#x53D8;&#x91CF;&#x8D4B;&#x503C;(&#x4F7F;&#x7528;&#x7B49;&#x53F7;&#x8FDE;&#x63A5;)</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a = b = <span class="hljs-number">4</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a
<span class="hljs-number">4</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>b
<span class="hljs-number">4</span>
&gt;&gt;&gt;

<span class="hljs-comment"># &#x591A;&#x4E2A;&#x53D8;&#x91CF;&#x8D4B;&#x503C;(&#x4F7F;&#x7528;&#x9017;&#x53F7;&#x5206;&#x9694;)</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>num1, f1, str1 = <span class="hljs-number">100</span>, <span class="hljs-number">3.14</span>, <span class="hljs-string">&quot;hello&quot;</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>num1
<span class="hljs-number">100</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>f1
<span class="hljs-number">3.14</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>str1
<span class="hljs-string">&quot;hello&quot;</span>

<span class="hljs-comment"># &#x8BED;&#x6CD5;&#x9519;&#x8BEF;&#xFF0C;&#x503C;&#x7684;&#x4E2A;&#x6570;&#x8D85;&#x8FC7;&#x53D8;&#x91CF;&#x7684;&#x4E2A;&#x6570;&#xFF0C;&#x8D4B;&#x503C;&#x5931;&#x8D25;</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>num1,num2=(<span class="hljs-number">1</span>,<span class="hljs-number">2</span>,<span class="hljs-number">3</span>)
Traceback (most recent call last):
  File <span class="hljs-string">&quot;&lt;stdin&gt;&quot;</span>, line <span class="hljs-number">1</span>, <span class="hljs-keyword">in</span> &lt;module&gt;
ValueError: too many values to unpack (expected <span class="hljs-number">2</span>)

<span class="hljs-comment"># &#x8BED;&#x6CD5;&#x9519;&#x8BEF;&#xFF0C;&#x53D8;&#x91CF;&#x7684;&#x4E2A;&#x6570;&#x8D85;&#x8FC7;&#x503C;&#x5F97;&#x4E2A;&#x6570;&#xFF0C;&#x8D4B;&#x503C;&#x5931;&#x8D25;</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>num1,num2,num3,num4=(<span class="hljs-number">1</span>,<span class="hljs-number">2</span>,<span class="hljs-number">3</span>)
Traceback (most recent call last):
  File <span class="hljs-string">&quot;&lt;stdin&gt;&quot;</span>, line <span class="hljs-number">1</span>, <span class="hljs-keyword">in</span> &lt;module&gt;
ValueError: <span class="hljs-keyword">not</span> enough values to unpack (expected <span class="hljs-number">4</span>, got <span class="hljs-number">3</span>)
</code></pre>
<ul>
<li>&#x590D;&#x5408;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</li>
</ul>
<table style="text-align:center">
<tr><th>&#x8FD0;&#x7B97;&#x7B26;</th><th>&#x63CF;&#x8FF0;</th><th>&#x5B9E;&#x4F8B;</th></tr>
<tr><td>+=</td><td>&#x52A0;&#x6CD5;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c += a &#x7B49;&#x6548;&#x4E8E; c = c + a</td></tr>
<tr><td>-=</td><td>&#x51CF;&#x6CD5;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c -= a &#x7B49;&#x6548;&#x4E8E; c = c - a</td></tr>
<tr><td>*=</td><td>&#x4E58;&#x6CD5;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c *= a &#x7B49;&#x6548;&#x4E8E; c = c * a
</td></tr>
<tr><td>/=</td><td>&#x9664;&#x6CD5;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c /= a &#x7B49;&#x6548;&#x4E8E; c = c / a</td></tr>
<tr><td>//=</td><td>&#x53D6;&#x6574;&#x9664;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c //= a &#x7B49;&#x6548;&#x4E8E; c = c // a</td></tr>
<tr><td>%=</td><td>&#x53D6;&#x6A21;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c %= a &#x7B49;&#x6548;&#x4E8E; c = c % a</td></tr>
<tr><td>**=</td><td>&#x5E42;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;</td><td>c **= a &#x7B49;&#x6548;&#x4E8E; c = c ** a</td></tr>
</table>

<pre><code class="lang-python"><span class="hljs-comment"># &#x793A;&#x4F8B;&#xFF1A;+=</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a = <span class="hljs-number">100</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a += <span class="hljs-number">1</span>  <span class="hljs-comment"># &#x76F8;&#x5F53;&#x4E8E;&#x6267;&#x884C; a = a + 1</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a
<span class="hljs-number">101</span>

<span class="hljs-comment"># &#x793A;&#x4F8B;&#xFF1A;*=</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a = <span class="hljs-number">100</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a *= <span class="hljs-number">2</span>  <span class="hljs-comment"># &#x76F8;&#x5F53;&#x4E8E;&#x6267;&#x884C; a = a * 2</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a
<span class="hljs-number">200</span>

<span class="hljs-comment"># &#x793A;&#x4F8B;&#xFF1A;*=&#xFF0C;&#x8FD0;&#x7B97;&#x65F6;&#xFF0C;&#x7B26;&#x53F7;&#x53F3;&#x4FA7;&#x7684;&#x8868;&#x8FBE;&#x5F0F;&#x5148;&#x8BA1;&#x7B97;&#x51FA;&#x7ED3;&#x679C;&#xFF0C;&#x518D;&#x4E0E;&#x5DE6;&#x8FB9;&#x53D8;&#x91CF;&#x7684;&#x503C;&#x8FD0;&#x7B97;</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a = <span class="hljs-number">100</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a *= <span class="hljs-number">1</span> + <span class="hljs-number">2</span>  <span class="hljs-comment"># &#x76F8;&#x5F53;&#x4E8E;&#x6267;&#x884C; a = a * (1+2)</span>
<span class="hljs-prompt">&gt;&gt;&gt; </span>a
<span class="hljs-number">300</span>
</code></pre>
<blockquote>
<p>&#x6CE8;&#x610F;&#xFF1A;&#x8D4B;&#x503C;&#x8FD0;&#x7B97;&#x7B26;&#x662F;&#x4ECE;&#x53F3;&#x5F80;&#x5DE6;&#x8FD0;&#x7B97;&#xFF0C;&#x5C06;&#x7B49;&#x53F7;&#x53F3;&#x8FB9;&#x7684;&#x503C;&#x8D4B;&#x503C;&#x7ED9;&#x7B49;&#x53F7;&#x5DE6;&#x8FB9;&#xFF0C;&#x6240;&#x4EE5;&#xFF0C;<span style="color:red;font-weight:700">&#x7B49;&#x53F7;&#x7684;&#x5DE6;&#x8FB9;&#x4E00;&#x5B9A;&#x4E0D;&#x80FD;&#x662F;&#x5E38;&#x91CF;&#x6216;&#x8005;&#x8868;&#x8FBE;&#x5F0F;&#x3002;</span></p>
</blockquote>

                    
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